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Question
If a : b : c = 2 : 3 : 4 and 2a – 3b + 4c = 33, then the value of c is ______.
Options
6
9
`66/7`
12
MCQ
Fill in the Blanks
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Solution
If a : b : c = 2 : 3 : 4 and 2a – 3b + 4c = 33, then the value of c is 12.
Explanation:
Let a = 2k, b = 3k and c = 4k.
Substitution gives 11k = 33, so k = 3 and c = 12.
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